Operation CHARM: Car repair manuals for everyone.

Check at Idle

Check at Idle
1. CHECK STARTING THE ENGINE
1. Park vehicle on level surface.
2. Move selector lever to P or N position.
3. Turn ignition switch OFF.
4. Start engine.
Does the engine start?
YES >> GO TO 2.
NO >> Stop the road test and go to AT-190, "Engine Cannot Be Started in P or "N" Position". Engine Cannot Be Started In "P" or "N" Position
2. CHECK STARTING THE ENGINE
1. Turn ignition switch ON. (Do not start engine.)
2. Move selector lever to D, M or R position.
3. Start engine.
Does the engine start in either position?
YES >> Stop the road test and go to AT-190, "Engine Cannot Be Started in P or "N" Position". Engine Cannot Be Started In "P" or "N" Position
NO >> GO TO 3.
3. CHECK P POSITION FUNCTIONS
1. Move selector lever to P position.
2. Turn ignition switch OFF.
3. Disengage the parking brake.
4. Push the vehicle forward or backward.
5. Engage the parking brake.
When you push the vehicle with disengaging the parking brake, does it move?
YES >> Enter a check mark at AT-191, In P Position, Vehicle Moves When Pushed on the AT-48, "DIAGNOSTIC WORKSHEET", then continue the road test. Diagnostic Worksheet
NO >> GO TO 4.
4. CHECK N POSITION FUNCTIONS
1. Start engine.
2. Move selector lever to N position.
3. Disengage the parking brake.
Does vehicle move forward or backward?
YES >> Enter a check mark at AT-192, In "N" Position, Vehicle Moves on the AT-48, DIAGNOSTIC WORKSHEET", then continue the road test. Diagnostic Worksheet
NO >> GO TO 5.
5. CHECK SHIFT SHOCK
1. Engage the brake.
2. Move selector lever to D position.
When the transmission is shifted from N to D, is there an excessive shock?
YES >> Enter a check mark at AT-193, Large Shock (N to D Position) on the AT-48, DIAGNOSTIC WORKSHEET, then continue the road test. Diagnostic Worksheet
NO >> GO TO 6.
6. CHECK R POSITION FUNCTIONS
1. Engage the brake.
2. Move selector lever to R position.
3. Disengage the brake for 4 to 5 seconds.
Does the vehicle creep backward?
YES >> GO TO 7.
NO >> Enter a check mark at AT-196, Vehicle Does Not Creep Backward in R Position on the AT-48, DIAGNOSTIC WORKSHEET, then continue the road test. Diagnostic Worksheet
7. CHECK D POSITION FUNCTIONS
Inspect whether the vehicle creep forward when the A/T is put into the D position.
Does the vehicle creep forward in the D position?
YES >> Go to AT-58, Cruise Test - Part 1. Cruise Test - Part 1
Go to AT-60, Cruise Test - Part 2. Cruise Test - Part 2
Go to AT-61, "Cruise Test - Part 3". Cruise Test - Part 3
NO >> Enter a check mark at AT-199, Vehicle Does Not Creep Forward in D Position on the AT-48, DIAGNOSTIC WORKSHEET, then continue the road test. Diagnostic Worksheet